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Nonagricultural activities which are indepen
The Emergence of Distinct Patterns of Energy
Changes in available sources of energy
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Africa Rural Technology African Savanna village age and sex agricultural season Appendix average body weight calorie cattle cent Commonwealth Secretariat consumption cultivated daily energy DeBoer and Welsch dependent draught oxen dry season Durnin and Passmore Eastern Kiang economic energy balance energy cost energy expended energy expenditure Energy for subsistence energy gained energy output energy resources energy value family farmer FAO/WHO farm family households female labour fertiliser foodgrain Gambia Gambia River Genieri village groundnuts harvest human energy requirements human energy supply human labour inputs kcal kcal/hour per capita kcal/kg kcal/min labour labour force lactating Laguna Province Late millet leisure M. R. Haswell Maize Mandinka millet Negligible Negligible Negligible Nutrition organisation period protein rates ratio of energy rice Rural Technology Meeting Savanna village economy Seasonal pattern society soils Sorghum subsistence agriculture subsistence economies subsistence farmers Table tractor tropical utilisation West Africa Rural Wijewardene women